a ship is stopped 30 miles south of an island. an enemy ship is x miles to the east of the island. write an expression, in terms of x, for the shortest distance between the two enemy ships.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction